Burlington Northern Diesel Locomotive, Type SW9 Number 158 at Hoffman Avenue in Saint Paul, Minnesota on April 7, 1979. Number 158 was built by Electro-Motive Division (EMD) in February, 1952 as Northern Pacific Number 117, Builder Number 15686. It was retired in July, 1985. Front 3/4 view, engineer's side. Photo by Al Christianson.

Burlington Northern GP7 Number 1571, former Burlington Number 215; with a Burlington Northern combination door boxcar and a Great Northern insulated boxcar on February 2, 1982. Photo by Al Christianson.

Burlington Northern GP7 Number 1550 leads a string of freight cars at Minneapolis Junction, Minnesota on May 15, 1981. Photo by Al Christianson.

Burlington Northern GP7 Number 1550, former Great Northern Number 650; switching cars at Minneapolis Junction, Minnesota on May 15, 1981. Nearly new Burlington Northern double door boxcar (Pacific Car & Foundary, 222550-222949 series) next to engine, with a Santa Fe boxcar, unidentified bulkhead flat, and unidentified all door boxcar in the switch cut. Union Pacific appliance boxcar in the background. Photo by Al Christianson.

Burlington Northern Diesel Locomotive, Type SW7 Number 141 and, Type SW7 Number 138 at Saint Paul, Minnesota on April 8, 1979. Number 141 was built by Electro-Motive Division (EMD) in March, 1950 as Great Northern Number 169, Builder Number 9575. It was retired in October, 1985. Number 138 was built by Electro-Motive Division (EMD) in March, 1950 as Great Northern Number 166, Builder Number 9572. It was retired in May, 1982. Photo by Al Christianson.

Burlington Northern GP10 Number 1408 with covered hoppers from various railroads at Dayton's Bluff, Minnesota on April 14, 1981. Photo by Al Christianson.

Burlington Northern GP10 Number 1408, former Great Northern Number 608; passing Hoffman Avenue interlocking in Daytons Bluff, Minnesota pulling Soo Line covered hoppers on April 14, 1981. Photo by Al Christianson.

Burlington Northern Diesel Locomotive, Type SW7 Number 138 at Saint Paul, Minnesota on April 8, 1979. Number 138 was built by Electro-Motive Division (EMD) in March, 1950 as Great Northern Number 166, Builder Number 9572. It was retired in May, 1982. Photo by Al Christianson.

Burlington Northern Diesel Locomotive, Type SW7 Number 119 at Denver, Colorado on October 18, 1981. Number 119 was built by Electro-Motive Division (EMD) in May, 1950 as Chicago, Burlington and Quincy Number 9253, Builder Number 8497. It was retired in October, 1985. Photo by Al Christianson.

Burlington Northern Diesel Locomotive, Type SW7 Number 117 at Kansas City, Missouri on June 20, 1980. Number 117 was built by Electro-Motive Division (EMD) in May, 1950 as Chicago, Burlington and Quincy Number 9251, Builder Number 8495. It was retired in July, 1986. Photo by Al Christianson.